// Foo.java
public class Foo {
public static void main(String[] args) {
int x = 10;
int y = 20;
int sum = add(x, y);
System.out.println(sum);
}
public static int add(int a, int b) {
return a + b;
}
}
// pom.xml
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<compilerArgument>-g</compilerArgument>
</configuration>
</plugin>
</plugins>
</build>
